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56090351787 = 379251942901
BaseRepresentation
bin110100001111001111…
…101101100010101011
312100210000220002122120
4310033033231202223
51404333112224122
641433442522323
74023654060261
oct641717554253
9170700802576
1056090351787
11218735a5538
12aa546663a3
13539b781892
142a0153c431
1516d43c875c
hexd0f3ed8ab

56090351787 has 16 divisors (see below), whose sum is σ = 76035617280. Its totient is φ = 36773100000.

The previous prime is 56090351773. The next prime is 56090351861. The reversal of 56090351787 is 78715309065.

It is not a de Polignac number, because 56090351787 - 24 = 56090351771 is a prime.

It is a super-2 number, since 2×560903517872 (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (56090351587) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 411964 + ... + 530937.

It is an arithmetic number, because the mean of its divisors is an integer number (4752226080).

Almost surely, 256090351787 is an apocalyptic number.

56090351787 is a deficient number, since it is larger than the sum of its proper divisors (19945265493).

56090351787 is a wasteful number, since it uses less digits than its factorization.

56090351787 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 943234.

The product of its (nonzero) digits is 1587600, while the sum is 51.

The spelling of 56090351787 in words is "fifty-six billion, ninety million, three hundred fifty-one thousand, seven hundred eighty-seven".

Divisors: 1 3 79 237 251 753 19829 59487 942901 2828703 74489179 223467537 236668151 710004453 18696783929 56090351787